Visual Servoing Platform  version 3.6.1 under development (2023-12-06)
vpImageIo.h
1 /*
2  * ViSP, open source Visual Servoing Platform software.
3  * Copyright (C) 2005 - 2023 by Inria. All rights reserved.
4  *
5  * This software is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  * See the file LICENSE.txt at the root directory of this source
10  * distribution for additional information about the GNU GPL.
11  *
12  * For using ViSP with software that can not be combined with the GNU
13  * GPL, please contact Inria about acquiring a ViSP Professional
14  * Edition License.
15  *
16  * See https://visp.inria.fr for more information.
17  *
18  * This software was developed at:
19  * Inria Rennes - Bretagne Atlantique
20  * Campus Universitaire de Beaulieu
21  * 35042 Rennes Cedex
22  * France
23  *
24  * If you have questions regarding the use of this file, please contact
25  * Inria at visp@inria.fr
26  *
27  * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
28  * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
29  *
30  * Description:
31  * Read/write images.
32  */
33 
39 #ifndef _vpImageIo_h_
40 #define _vpImageIo_h_
41 
42 #include <visp3/core/vpDebug.h>
43 #include <visp3/core/vpImage.h>
44 #include <visp3/core/vpImageConvert.h>
45 
46 #include <iostream>
47 #include <stdio.h>
48 
98 class VISP_EXPORT vpImageIo
99 {
100 private:
101  typedef enum {
102  FORMAT_PGM,
103  FORMAT_PPM,
104  FORMAT_JPEG,
105  FORMAT_PNG,
106  // Formats supported by opencv
107  FORMAT_TIFF,
108  FORMAT_BMP,
109  FORMAT_DIB,
110  FORMAT_PBM,
111  FORMAT_RASTER,
112  FORMAT_JPEG2000,
113  FORMAT_UNKNOWN
114  } vpImageFormatType;
115 
116  static vpImageFormatType getFormat(const std::string &filename);
117  static std::string getExtension(const std::string &filename);
118 
119 public:
121  enum vpImageIoBackendType {
122  IO_DEFAULT_BACKEND,
123  IO_SYSTEM_LIB_BACKEND,
124  IO_OPENCV_BACKEND,
125  IO_SIMDLIB_BACKEND,
126  IO_STB_IMAGE_BACKEND
127  };
128 
129  static void read(vpImage<unsigned char> &I, const std::string &filename, int backend = IO_DEFAULT_BACKEND);
130  static void read(vpImage<vpRGBa> &I, const std::string &filename, int backend = IO_DEFAULT_BACKEND);
131 
132  static void write(const vpImage<unsigned char> &I, const std::string &filename, int backend = IO_DEFAULT_BACKEND);
133  static void write(const vpImage<vpRGBa> &I, const std::string &filename, int backend = IO_DEFAULT_BACKEND);
134 
135  static void readPFM(vpImage<float> &I, const std::string &filename);
136  static void readPFM_HDR(vpImage<float> &I, const std::string &filename);
137  static void readPFM_HDR(vpImage<vpRGBf> &I, const std::string &filename);
138 
139  static void readPGM(vpImage<unsigned char> &I, const std::string &filename);
140  static void readPGM(vpImage<vpRGBa> &I, const std::string &filename);
141 
142  static void readPPM(vpImage<unsigned char> &I, const std::string &filename);
143  static void readPPM(vpImage<vpRGBa> &I, const std::string &filename);
144 
145  static void readJPEG(vpImage<unsigned char> &I, const std::string &filename, int backend = IO_DEFAULT_BACKEND);
146  static void readJPEG(vpImage<vpRGBa> &I, const std::string &filename, int backend = IO_DEFAULT_BACKEND);
147 
148  static void readPNG(vpImage<unsigned char> &I, const std::string &filename, int backend = IO_DEFAULT_BACKEND);
149  static void readPNG(vpImage<vpRGBa> &I, const std::string &filename, int backend = IO_DEFAULT_BACKEND);
150 
151  static void readEXR(vpImage<float> &I, const std::string &filename, int backend = IO_DEFAULT_BACKEND);
152  static void readEXR(vpImage<vpRGBf> &I, const std::string &filename, int backend = IO_DEFAULT_BACKEND);
153 
154  static void writePFM(const vpImage<float> &I, const std::string &filename);
155  static void writePFM_HDR(const vpImage<float> &I, const std::string &filename);
156  static void writePFM_HDR(const vpImage<vpRGBf> &I, const std::string &filename);
157 
158  static void writePGM(const vpImage<unsigned char> &I, const std::string &filename);
159  static void writePGM(const vpImage<short> &I, const std::string &filename);
160  static void writePGM(const vpImage<vpRGBa> &I, const std::string &filename);
161 
162  static void writePPM(const vpImage<unsigned char> &I, const std::string &filename);
163  static void writePPM(const vpImage<vpRGBa> &I, const std::string &filename);
164 
165  static void writeJPEG(const vpImage<unsigned char> &I, const std::string &filename, int backend = IO_DEFAULT_BACKEND,
166  int quality = 90);
167  static void writeJPEG(const vpImage<vpRGBa> &I, const std::string &filename, int backend = IO_DEFAULT_BACKEND,
168  int quality = 90);
169 
170  static void writePNG(const vpImage<unsigned char> &I, const std::string &filename, int backend = IO_DEFAULT_BACKEND);
171  static void writePNG(const vpImage<vpRGBa> &I, const std::string &filename, int backend = IO_DEFAULT_BACKEND);
172 
173  static void writeEXR(const vpImage<float> &I, const std::string &filename, int backend = IO_DEFAULT_BACKEND);
174  static void writeEXR(const vpImage<vpRGBf> &I, const std::string &filename, int backend = IO_DEFAULT_BACKEND);
175 };
176 #endif
vpImageIo
Read/write images with various image format.
Definition: vpImageIo.h:99
vpImageIo::vpImageIoBackendType
vpImageIoBackendType
Image IO backend for only jpeg and png formats image loading and saving.
Definition: vpImageIo.h:121
vpImageIo::IO_DEFAULT_BACKEND
@ IO_DEFAULT_BACKEND
Default backend.
Definition: vpImageIo.h:122
vpImageIo::IO_SIMDLIB_BACKEND
@ IO_SIMDLIB_BACKEND
Use embedded simd library.
Definition: vpImageIo.h:125
vpImageIo::IO_SYSTEM_LIB_BACKEND
@ IO_SYSTEM_LIB_BACKEND
Use system libraries like libpng or libjpeg.
Definition: vpImageIo.h:123
vpImageIo::IO_OPENCV_BACKEND
@ IO_OPENCV_BACKEND
Use OpenCV.
Definition: vpImageIo.h:124